<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2017/8/17
 * Time: 10:53
 */
namespace app\index\model;
use Think\Db;
use think\Model;
class Book extends Model{
    public function de(){
        $obj=Db::table('book')->select();
        return $obj;
    }
}